CN220250640U - High-purity silicon smelting equipment - Google Patents
High-purity silicon smelting equipment Download PDFInfo
- Publication number
- CN220250640U CN220250640U CN202321863988.5U CN202321863988U CN220250640U CN 220250640 U CN220250640 U CN 220250640U CN 202321863988 U CN202321863988 U CN 202321863988U CN 220250640 U CN220250640 U CN 220250640U
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- CN
- China
- Prior art keywords
- fixedly connected
- layer
- purity silicon
- shell
- heat preservation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 37
- 239000010703 silicon Substances 0.000 title claims abstract description 37
- 238000003723 Smelting Methods 0.000 title claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010439 graphite Substances 0.000 claims abstract description 31
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 31
- 230000008719 thickening Effects 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 4
- 206010053615 Thermal burn Diseases 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- -1 solar cells Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses high-purity silicon smelting equipment, which comprises: the base, the top fixedly connected with insulating layer of base, the top fixedly connected with stove outer covering of insulating layer, the inside of stove outer covering is provided with induction coil, be provided with the fixed plate at the top of stove outer covering, fixedly connected with graphite crucible on the inner wall of fixed plate, the bottom fixedly connected with heat preservation of fixed plate to the outside of stove outer covering is located to the heat preservation, the bottom fixedly connected with shell of fixed plate. Through setting up fixed plate, heat preservation, vacuum layer, shell, fixing base, arc handle, thickening layer, furnace mouth and play cistern, be convenient for when taking out the crucible of high temperature from the stove after the heating is smelted, it is quick convenient, the heat preservation can play the heat preservation effect after taking out simultaneously, at this moment the staff can not scald because of thermal radiation, when being convenient for pour the fused silicon in the crucible simultaneously, can not have the hidden danger of splashing.
Description
Technical Field
The utility model relates to the technical field of intermediate frequency furnaces, in particular to high-purity silicon smelting equipment.
Background
The high-purity silicon is a very important material, and is widely applied to the fields of semiconductors, solar cells, optical fiber communication and the like, the production process flow of the high-purity silicon is very complex, and the high-purity silicon can be obtained through a plurality of steps, wherein the raw materials and a reducing agent are mixed and then placed into an intermediate frequency furnace for reduction reaction, so that high-purity silicon grains are obtained;
the intermediate frequency furnace is the device that is used for heating the melting raw materials, and current intermediate frequency furnace is in-service use all put into the intermediate frequency furnace inside with the crucible, when taking out the crucible of high temperature from the stove after heating smelting, the staff need stretch into the furnace body with the pliers and press from both sides out, and at this moment the staff is easy because of the heat radiation scald, has the hidden danger of splashing when taking out the crucible and pouring out molten silicon simultaneously.
Disclosure of Invention
The utility model provides high-purity silicon smelting equipment, which is convenient to take out a high-temperature crucible from a furnace after heating and smelting, and meanwhile, the heat insulation layer can play a role in heat insulation after taking out, so that workers cannot be scalded due to heat radiation, and meanwhile, the hidden danger of splashing cannot exist when molten silicon in the crucible is poured out conveniently.
To achieve the above object, there is provided a high purity silicon smelting apparatus comprising: the device comprises a base, wherein a heat insulation layer is fixedly connected to the top of the base, a furnace shell is fixedly connected to the top of the heat insulation layer, an induction coil is arranged in the furnace shell, a fixing plate is arranged at the top of the furnace shell, a graphite crucible is fixedly connected to the inner wall of the fixing plate, a heat preservation layer is fixedly connected to the bottom of the fixing plate, the heat preservation layer is arranged on the outer side of the furnace shell, a shell is fixedly connected to the bottom of the fixing plate, the shell is arranged on the outer side of the heat preservation layer, and a vacuum layer is arranged between the heat preservation layer and the shell;
the top fixedly connected with thickening layer of graphite crucible to the thickening layer is located the top of fixed plate, fixedly connected with furnace mouth on the periphery of thickening layer, the top of furnace mouth is provided with out the cistern, the top of thickening layer is provided with sealed lid, the top fixedly connected with handle of sealed lid, fixedly connected with handrail on the periphery of shell, the top fixedly connected with fixing base of fixed plate, the quantity of fixing base is provided with two, and the fixing base is located the front and back side of thickening layer, rotate on the inside wall of fixing base and be connected with the arc handle.
According to the high-purity silicon smelting equipment, the heat-insulating layer is a mica sheet layer.
According to the high-purity silicon smelting equipment, the heat-insulating layer is made of asbestos.
According to the high-purity silicon smelting equipment, the liquid outlet groove is communicated with the interior of the thickening layer.
According to the high-purity silicon smelting equipment, the inner diameter of the furnace shell is larger than the outer diameter of the graphite crucible, and the inner diameter of the heat preservation layer is larger than the outer diameter of the furnace shell.
According to the high-purity silicon smelting equipment, the graphite crucible is communicated with the inner cavity of the thickening layer.
According to the high-purity silicon smelting equipment, the induction coil is electrically connected with an external power supply.
The utility model has the beneficial effects that:
1. compared with the prior art, the utility model is convenient for taking out the high-temperature crucible from the furnace after heating and smelting by arranging the fixing plate, the heat-insulating layer, the vacuum layer, the shell, the fixing seat and the arc-shaped handle, and meanwhile, the heat-insulating layer can play a role in heat insulation after taking out, so that staff cannot be scalded due to heat radiation;
2. compared with the prior art, the utility model is convenient for pouring out the molten silicon in the crucible without hidden trouble of splashing by arranging the thickening layer, the furnace mouth and the liquid outlet groove.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of the overall structure of a high purity silicon smelting apparatus according to the present utility model;
FIG. 2 is a side view of a high purity silicon smelting apparatus of the present utility model;
FIG. 3 is a cross-sectional view of a high purity silicon smelting apparatus of the present utility model;
FIG. 4 is a top view of the high purity silicon smelting apparatus of the present utility model.
Legend description:
1. a base; 2. a heat insulating layer; 3. a furnace shell; 4. an induction coil; 5. a fixing plate; 6. a graphite crucible; 7. a heat preservation layer; 8. a vacuum layer; 9. a housing; 10. thickening layers; 11. a furnace mouth; 12. a liquid outlet groove; 13. sealing cover; 14. a handle; 15. an armrest; 16. a fixing seat; 17. an arc handle.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, the high purity silicon smelting apparatus according to an embodiment of the present utility model includes: the high-temperature furnace comprises a base 1, wherein a heat insulation insulating layer 2 is fixedly connected to the top of the base 1, the heat insulation insulating layer 2 is a mica sheet layer, so that the heat insulation insulating layer 2 can isolate the temperature from the base 1 during heating, a protection effect is achieved, a furnace shell 3 is fixedly connected to the top of the heat insulation insulating layer 2, an induction coil 4 is arranged in the furnace shell 3, the induction coil 4 is electrically connected with an external power supply, the induction coil 4 attacks a magnetic field under the effect of current, the magnetic field enables metal in the furnace to generate eddy current to generate heat, a fixed plate 5 is arranged at the top of the furnace shell 3, a graphite crucible 6 is fixedly connected to the inner wall of the fixed plate 5, the high-temperature furnace crucible 6 is heated through a strong magnetic field generated by electrifying the induction coil 4, materials in the graphite crucible 6 are melted and smelted, a heat insulating layer 7 is fixedly connected to the bottom of the fixed plate 5, the heat insulating layer 7 is arranged on the outer side of the furnace shell 3, the graphite crucible 6 is asbestos, when the graphite crucible 6 is integrally taken out, the graphite crucible 6 is isolated, and the high-temperature graphite crucible 6 is simultaneously, when the high-temperature graphite crucible 6 is moved, the working personnel is in the protection effect is not affected, the graphite crucible 6 is not in the heat insulating layer, and the whole is taken out of the vacuum furnace shell 9, and the vacuum crucible is not connected to the heat insulating layer 7 through the heat insulating layer 9, and the vacuum crucible is fixed to the outer shell 9;
the top of the graphite crucible 6 is fixedly connected with a thickening layer 10, the thickening layer 10 is positioned above the fixed plate 5, the graphite crucible 6 is communicated with the inner cavity of the thickening layer 10, the circumferential surface of the thickening layer 10 is fixedly connected with a furnace mouth 11, the top of the furnace mouth 11 is provided with a liquid outlet groove 12, the liquid outlet groove 12 is communicated with the inner side of the thickening layer 10, when molten silicon in the graphite crucible 6 is poured, the liquid can flow out along the liquid outlet groove 12 arranged on the furnace mouth 11, so that liquid flows out uniformly, the hidden trouble of splashing does not occur, the top of the thickening layer 10 is provided with a sealing cover 13, the top of the sealing cover 13 is fixedly connected with a handle 14, the circumferential surface of a shell 9 is fixedly connected with a handrail 15, the top of the fixed plate 5 is fixedly connected with a fixed seat 16, the number of the fixed seat 16 is two, the fixed seat 16 is positioned at the front side and the rear side of the thickening layer 10, the arc-shaped handle 17 is rotationally connected with the inner side wall of the fixed seat 16, the arc-shaped handle 17 can not collide with the handle 14, the arc-shaped handle 17 can rotate, thus the whole graphite crucible 6 can be taken out conveniently and quickly and conveniently, and the whole silicon can be lifted out of the high-purity solution from the liquid groove 12 from one side through the handrail 15;
the inner diameter of the furnace shell 3 is larger than the outer diameter of the graphite crucible 6, and the inner diameter of the heat preservation layer 7 is larger than the outer diameter of the furnace shell 3.
Working principle: the sealing cover 13 is opened, materials are placed in the graphite crucible 6, the sealing cover 13 is covered, a power supply is conducted for the induction coil 4, at the moment, a strong magnetic field is generated when the induction coil 4 is electrified, the graphite crucible 6 is heated, materials in the graphite crucible 6 are melted and smelted by heat generated by the graphite crucible 6, high-purity silicon in a molten state is obtained after smelting in the graphite crucible 6, the whole part fixed on the fixing plate 5 is taken out of the furnace through the arc handle 17, the heat insulation layer 7 is made of asbestos, therefore, when the graphite crucible 6 is taken out integrally, the heat insulation effect can be achieved on the graphite crucible 6, meanwhile, the high-temperature graphite crucible 6 is isolated, when moving, the high-purity silicon in the molten state is dumped, the arc handle 17 can rotate, the handrail 15 can lift the whole body from one side, the high-purity silicon solution can flow out of the liquid outlet groove 12 conveniently, the liquid flows out evenly, and hidden dangers of splashing can not occur.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. High-purity silicon smelting equipment, characterized by, include: the device comprises a base (1), wherein a heat insulation insulating layer (2) is fixedly connected to the top of the base (1), a furnace shell (3) is fixedly connected to the top of the heat insulation insulating layer (2), an induction coil (4) is arranged in the furnace shell (3), a fixing plate (5) is arranged on the top of the furnace shell (3), a graphite crucible (6) is fixedly connected to the inner wall of the fixing plate (5), a heat preservation layer (7) is fixedly connected to the bottom of the fixing plate (5), the heat preservation layer (7) is arranged on the outer side of the furnace shell (3), a shell (9) is fixedly connected to the bottom of the fixing plate (5), the shell (9) is arranged on the outer side of the heat preservation layer (7), and a vacuum layer (8) is arranged between the heat preservation layer (7) and the shell (9); the top fixedly connected with thickening layer (10) of graphite crucible (6) to thickening layer (10) are located the top of fixed plate (5), fixedly connected with furnace mouth (11) on the periphery of thickening layer (10), the top of furnace mouth (11) is provided with out cistern (12), the top of thickening layer (10) is provided with sealed lid (13), the top fixedly connected with handle (14) of sealed lid (13), fixedly connected with handrail (15) on the periphery of shell (9), the top fixedly connected with fixing base (16) of fixed plate (5), the quantity of fixing base (16) is provided with two to fixing base (16) are located the front and back side of thickening layer (10), rotate on the inside wall of fixing base (16) and be connected with arc handle (17).
2. High purity silicon smelting plant according to claim 1, characterized in that the insulating layer (2) is a mica sheet layer.
3. High purity silicon smelting plant according to claim 1, characterized in that the material of the insulating layer (7) is asbestos.
4. High purity silicon smelting plant according to claim 1, wherein the effluent trough (12) communicates with the interior of the thickening layer (10).
5. The high purity silicon smelting apparatus according to claim 1, wherein the inner diameter of the furnace shell (3) is larger than the outer diameter of the graphite crucible (6), and the inner diameter of the heat insulating layer (7) is larger than the outer diameter of the furnace shell (3).
6. High purity silicon smelting plant according to claim 1, characterized in that the graphite crucible (6) is in communication with the inner cavity of the thickening layer (10).
7. The high purity silicon smelting equipment according to claim 1, wherein the induction coil (4) is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863988.5U CN220250640U (en) | 2023-07-17 | 2023-07-17 | High-purity silicon smelting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321863988.5U CN220250640U (en) | 2023-07-17 | 2023-07-17 | High-purity silicon smelting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250640U true CN220250640U (en) | 2023-12-26 |
Family
ID=89270067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321863988.5U Active CN220250640U (en) | 2023-07-17 | 2023-07-17 | High-purity silicon smelting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250640U (en) |
-
2023
- 2023-07-17 CN CN202321863988.5U patent/CN220250640U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |